18499740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2591}}^1$

素因数の和:2627

約数の個数: 96

約数和(自身を含む): 62705664

約数和(自身を除く): 44205924

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 68, 70, 84, 85, 102, 105, 119, 140, 170, 204, 210, 238, 255, 340, 357, 420, 476, 510, 595, 714, 1020, 1190, 1428, 1785, 2380, 2591, 3570, 5182, 7140, 7773, 10364, 12955, 15546, 18137, 25910, 31092, 36274, 38865, 44047, 51820, 54411, 72548, 77730, 88094, 90685, 108822, 132141, 155460, 176188, 181370, 217644, 220235, 264282, 272055, 308329, 362740, 440470, 528564, 544110, 616658, 660705, 880940, 924987, 1088220, 1233316, 1321410, 1541645, 1849974, 2642820, 3083290, 3699948, 4624935, 6166580, 9249870, 18499740]

約数ペア:

[(1, 18499740), (2, 9249870), (3, 6166580), (4, 4624935), (5, 3699948), (6, 3083290), (7, 2642820), (10, 1849974), (12, 1541645), (14, 1321410), (15, 1233316), (17, 1088220), (20, 924987), (21, 880940), (28, 660705), (30, 616658), (34, 544110), (35, 528564), (42, 440470), (51, 362740), (60, 308329), (68, 272055), (70, 264282), (84, 220235), (85, 217644), (102, 181370), (105, 176188), (119, 155460), (140, 132141), (170, 108822), (204, 90685), (210, 88094), (238, 77730), (255, 72548), (340, 54411), (357, 51820), (420, 44047), (476, 38865), (510, 36274), (595, 31092), (714, 25910), (1020, 18137), (1190, 15546), (1428, 12955), (1785, 10364), (2380, 7773), (2591, 7140), (3570, 5182)]